His father, a wealthy Mercer, was lord mayor of London. Tate became a Mercer in 1474 and had Italian connections, possibly stimulating his papermaking interest. His unique watermark of an eight-pointed star set in a double circle is found in a sheet at Lambeth Palace dated to 1499, printed with a Papal bull. This watermark appears in four books. Two more books have watermarks of Tudor roses, a paper produced when Henry VII visited Tate’s mill at Sele near Hertford in 1498. Papermaking there ceased before his death.
From The Oxford Companion to the Book in Oxford Reference.